13159909

Names of 13159909

• Cardinal: 13159909 can be written as Thirteen million, one hundred fifty-nine thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.3159909 × 10⁷

Factors of 13159909

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3539

Divisors of 13159909

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 653 2879 4571 20153 1879987 13159909
• Sum of all divisors σ(n): 15068160
• Sum of proper divisors (its aliquot sum) s(n): 1908251
• 13159909 is a deficient number, because the sum of its proper divisors (1908251) is less than itself. Its deficiency is 11251658

Bases of 13159909

• Binary: 110010001100110111100101₂
• Hexadecimal: 0xC8CDE5
• Base-36: 7U291

Squares and roots of 13159909

• 13159909 squared (13159909²) is 173183204888281
• 13159909 cubed (13159909³) is 2279075216658133126429
• The square root of 13159909 is 3627.6588869407
• The cube root of 13159909 is 236.0936440115

Scales and comparisons

• 13,159,909 seconds is equal to 21 weeks, 5 days, 7 hours, 31 minutes, 49 seconds.
• To count from 1 to 13,159,909 would take you about thirty-two weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13159909 cubic inches would be around 19.7 feet tall.

Recreational maths with 13159909

• 13159909 backwards is 90995131
• The number of decimal digits it has is: 8
• The sum of 13159909's digits is 37
• More coming soon!